| Classification | Fungi: Ascomycota: Erysiphales: Erysiphaceae: Phyllactinia | 
| Harvard University Herbaria Barcode(s) | 01085048 | 
| Type Status | Isoneotype | 
| Collector | T. A. Williams & D. Griffiths | 
| Country | United States of America | 
| State | Montana | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Montana: Missoula County: Missoula | 
| Locality | [no additional data] | 
| Date Collected | 1898-09-** | 
| Host | On Philadelphus lewisii Pursh. | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3e78bcd6-575e-4973-864d-e56479addddb | 
| Harvard University Herbaria Barcode | 01085048 | 
| Herbarium | FH | 
| Exsiccata | West American Fungi  Fascicle 3 Number 106 | 
| Family | Erysiphaceae | 
| Type Status | Isoneotype | 
| Isoneotype of | Phyllactinia suffulta f. philadelphi Jaczewski | 
| Taxon Reference | (for  Phyllactinia suffulta f. philadelphi Jaczewski) Karm. Opred. Grib. Vyp. 2. Muchn.-Ros. Griby 1927. 439. | 
| Family | Erysiphaceae | 
| Determination | Phyllactinia philadelphi (Jaczewski) Bunkina | 
| Determination Remarks | [current name] | 
| Family | Erysiphaceae | 
| Determination | Phyllactinia corylea (Persoon) P. Karsten | 
| Determination Remarks | [filed under] [label name] | 
| Subcollection | West American Fungi | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Packet | 
| Preparation Method | Dried |